<template>
  <div style="display: none">
    <iframe
        :id="id"
        :src="url"
        frameborder="0"
        height="550px"
        scrolling="auto"
        width="100%">
    </iframe>
  </div>
</template>

<script>
import Vue from 'vue'
import {ACCESS_TOKEN} from "@/store/mutation-types"

export default {
  name: "PdfPreviewModal",
  data() {
    return {
      url: window._CONFIG['pdfDomainURL'],
      id: "pdfPreviewIframe",
      headers: {}
    }
  },
  created() {
    const token = Vue.ls.get(ACCESS_TOKEN);
    this.headers = {"X-Access-Token": token}
  },
  computed: {},
  mounted() {
    window.addEventListener('message', this.handleScanFileMessage);
  },
  methods: {
    handleScanFileMessage(event) {
      // 根据上面制定的结构来解析iframe内部发回来的数据
      const data = event.data;
      console.log(data);
    },

    previewFiles(title, token) {
      var iframe = document.getElementById("pdfPreviewIframe");
      var json = {"title": title, "token": token};
      iframe.contentWindow.postMessage(json, "*");
    },

  }
}
</script>

<style scoped>

</style>